Annie Proulx hoped that “Brokeback Mountain” would scoop her up the Best Picture Oscar. But it didn’t, of course, and Proulx isn’t happy. “It was a safe pick of ‘controversial film’ for the heffalumps,” she writes in an essay for The Guardian. Is she bitter? You judge: “For those who call this little piece a Sour Grapes Rant, play it as it lays.”